Iinuma Yokusai (飯沼 慾斎, 1782–1865) was a Japanese botanist and physician. The standard author abbreviation Iinuma is used to indicate this person as the author when citing a botanical name.[1]
Iinuma studied botany under Ono Ranzan.[2] He spoke Dutch and was a practitioner of Western medicine.[3][4] In 1856 he published the Somoku-zusetsu, the first botanical encyclopedia in Japan to use Linnaean taxonomy.[5][6] The strawberry species Fragaria iinumae is named after him.[7]
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